OpenTechnical

OT-2026-000033556

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000033556) never changes.

Identity and time

Publication numberOT-2026-000033556 · never reused
Internal UUID01a0ae75-a38e-79c9-9fff-1916f838d683 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033556
StatusPUBLIC

Content hashes

Canonical text58b18b0df90ba48350f45552eda9c0a0cc0f1a310af7bb0e508d48e02c954710
Markdown0a1ab7bbbe424968a0436e08140b4ecb2ea7b609220368ec9965500e4343c49c
PDF
Publication page61a4dff659418ce714225caf30636beafc0f82b6c690445e4d8bc7016502e165
Manifest4bc81578d94807e14f91b466ecaa06d451e77d95c007c814bfd73b639e02ebdf

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureRfjJqor7WR1HA0m8VIb3xvAhdbDz0HkJ4J18RB20Cd8szfy7bVPMGKTI8UpYnallWPehmYXPdBK3bsqn5bqkDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:25.338912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033556
observed 61a4dff659418ce714225caf30636bea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:25.320619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033556/manifest.json
observed 4bc81578d94807e14f91b466ecaa06d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:25.295813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033556/publication.md
observed 0a1ab7bbbe424968a0436e08140b4ecb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:25.278337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033556/publication.txt
observed 58b18b0df90ba48350f45552eda9c0a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.